1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <regex> 11 12 // template <class BidirectionalIterator, class Allocator, class charT, class traits> 13 // bool 14 // regex_search(BidirectionalIterator first, BidirectionalIterator last, 15 // match_results<BidirectionalIterator, Allocator>& m, 16 // const basic_regex<charT, traits>& e, 17 // regex_constants::match_flag_type flags = regex_constants::match_default); 18 19 #include <regex> 20 #include <cassert> 21 #include "test_macros.h" 22 23 int main() 24 { 25 // Iterating over /^a/ should yield one instance at the beginning 26 // of the text. 27 28 const char *text = "aaa\naa"; 29 std::regex re("^a"); 30 std::cregex_iterator it(text, text+6, re); 31 std::cregex_iterator end = std::cregex_iterator(); 32 33 assert(it->str() == "a"); 34 assert(it->position(0) == 0); 35 assert(it->length(0) == 1); 36 37 ++it; 38 assert(it == end); 39 } 40
